HP P3410A HP NetRAID Series User Guide - Page 77

from the HP NetRAID Config Management menu.

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Chapter 3 HP NetRAID Config Removing a Physical Drive from a Logical Drive The procedures for removing a physical drive from a logical drive vary depending on the RAID level of the logical drive. RAID Level 0 There is no data redundancy in a RAID 0 system, so you cannot reconstruct this data while the HP NetServer is available. To remove a physical drive from a RAID 0 logical drive, you must back up your data, reconfigure the logical drive, then restore the data. RAID Levels 1, 3, or 5 RAID levels 3 and 5 use parity to provide data redundancy. RAID level 1 provides data redundancy through mirroring. In either case, follow these procedures to remove a physical drive from any logical drive of RAID level 1, 3, or 5. 1. Change the status of the drive you want to remove to Fail by following these steps: a. Choose Objects from the HP NetRAID Config Management menu. b. Select Physical Drive from the Objects menu. c. Use the arrow keys to highlight the drive you want to remove. d. Press Enter. An action menu appears. e. Select Fail Drive. f. Press Esc repeatedly to return to the HP NetRAID Config Management menu. 2. Change the RAID level of the logical drive to RAID 0 by using the instructions in "Changing the RAID Level of a Logical Drive" in this chapter. The logical drive will be rebuilt as a RAID 0 without the drive put in the Fail state. 3. If you want to convert the logical drive to a RAID level with redundancy, change the RAID level once again to RAID 3 or 5. 4. Change the status of the drive you removed back to the Ready state by using these instructions: a. Choose Objects from the HP NetRAID Config Management menu. b. Choose Physical Drive from the Objects menu. 71

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Chapter 3
HP NetRAID Config
71
Removing a Physical Drive from a Logical Drive
The procedures for removing a physical drive from a logical drive vary depending
on the RAID level of the logical drive.
RAID Level 0
There is no data redundancy in a RAID 0 system, so you cannot reconstruct this
data while the HP NetServer is available. To remove a physical drive from a
RAID 0 logical drive, you must back up your data, reconfigure the logical drive,
then restore the data.
RAID Levels 1, 3, or 5
RAID levels 3 and 5 use parity to provide data redundancy. RAID level 1
provides data redundancy through mirroring. In either case, follow these
procedures to remove a physical drive from any logical drive of RAID level 1, 3,
or 5.
1.
Change the status of the drive you want to remove to Fail by following
these steps:
a.
Choose
Objects
from the HP NetRAID Config Management menu.
b. Select
Physical Drive
from the Objects menu.
c.
Use the arrow keys to highlight the drive you want to remove.
d. Press
Enter
. An action menu appears.
e.
Select
Fail Drive
.
f.
Press
Esc
repeatedly to return to the HP NetRAID Config Management
menu.
2.
Change the RAID level of the logical drive to RAID 0 by using the
instructions in "Changing the RAID Level of a Logical Drive" in this
chapter. The logical drive will be rebuilt as a RAID 0 without the drive put
in the Fail state.
3.
If you want to convert the logical drive to a RAID level with redundancy,
change the RAID level once again to RAID 3 or 5.
4.
Change the status of the drive you removed back to the Ready state by
using these instructions:
a.
Choose
Objects
from the HP NetRAID Config Management menu.
b. Choose
Physical Drive
from the Objects menu.